:root {
  color-scheme: light;
  --bg: #f3f4f6;
  --bg-soft: #f9fafb;
  --text: #111827;
  --muted: #6b7280;
  --brand: #1f3a8a;
  --accent: #eab308;
  --card: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "SF Pro Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-soft), var(--bg));
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  letter-spacing: -0.01em;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(31, 58, 138, 0.35);
  outline-offset: 3px;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  padding-bottom: 48px;
}

.header-content {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem 0;
  flex-wrap: wrap;
  justify-content: space-between;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.site-nav {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.site-nav a {
  font-weight: 600;
  color: var(--text);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus {
  background: var(--bg-soft);
  text-decoration: none;
}

.lang-toggle {
  display: flex;
  gap: 0.5rem;
}

.lang-button {
  border: 1px solid var(--border);
  background: var(--card);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s ease;
}

.lang-button:hover {
  background: var(--bg-soft);
}

.lang-button.active {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}

.site-main {
  padding: 3rem 0 3.5rem;
  position: relative;
}

.hero {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  position: relative;
}

.hero h1 {
  margin-top: 0;
  font-size: clamp(2rem, 3vw, 2.6rem);
  letter-spacing: -0.02em;
}

.hero-teaser {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.hero-teaser a {
  font-weight: 600;
}

.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
}

.section h2 {
  margin: 0 0 0.6rem;
  font-size: 1.5rem;
}

.section.alt {
  background: var(--bg-soft);
}

.section-divider {
  height: 1px;
  background: var(--border);
  margin: 2rem 0;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--brand);
  color: #fff;
  padding: 0.7rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cta:hover,
.cta:focus {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(31, 58, 138, 0.2);
  text-decoration: none;
}

.cta.secondary {
  background: var(--accent);
  color: #1f2937;
}

.muted {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--card);
  position: relative;
  overflow: hidden;
}
.site-header::after,
.site-main::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 48px;
  background-image: url("/assets/img/footer/footer.avif");
  background-size: auto 48px;
  background-repeat: repeat-x;
  background-position: bottom left;
  pointer-events: none;
  opacity: 0.9;
}

.site-header::after {
  bottom: 0;
}

.site-main::after {
  bottom: -1px;
}


.footer-content {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.footer-title {
  margin: 0 0 0.5rem;
  font-weight: 700;
}

.footer-note p {
  margin: 0.25rem 0 0;
}

.event-gallery {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  margin-top: 1rem;
}

.event-gallery img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.event-poster {
  width: min(420px, 100%);
  max-height: 520px;
  object-fit: cover;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
  margin: 0;
}

.event-card {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(260px, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.event-card-body p {
  margin-top: 0;
}

.event-intro {
  display: grid;
  grid-template-columns: minmax(220px, 420px) minmax(240px, 1fr);
  gap: 1.5rem;
  align-items: start;
  margin: 1rem 0 1.5rem;
}

.event-intro-text p {
  margin-top: 0;
}

.event-gallery img:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px rgba(15, 23, 42, 0.12);
}

.lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox.open {
  display: flex;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
}

.lightbox-content {
  position: relative;
  z-index: 1;
  background: #111827;
  padding: 1rem;
  border-radius: var(--radius-md);
  max-width: min(90vw, 960px);
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  padding: 0.35rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}

.no-scroll {
  overflow: hidden;
}

html[data-lang="en"] [data-lang="uk"] {
  display: none;
}

html[data-lang="uk"] [data-lang="en"] {
  display: none;
}

@media (max-width: 720px) {
  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 2rem;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .event-gallery img {
    height: 120px;
  }

  .event-intro {
    grid-template-columns: 1fr;
  }

  .event-card {
    grid-template-columns: 1fr;
  }

  .event-poster {
    width: 100%;
    max-height: 360px;
  }
}